DNA testing identified a foot found floating in a Yellowstone National Park hot spring this past summer as that of a 70-year-old California man, park officials announced Thursday.

A ruling by a Montana state judge has forced the Montana Fish, Wildlife and Parks to greatly reduce, at least temporarily, the number of wolves that can be taken near Yellowstone and Glacier national parks.

Bridge repair work in Great Smoky Mountains National Park will slow traffic at times as there will be single-lane closures and occasionally full road closures, the park has announced.

Just the natural history of the Chesapeake Bay -- how a meteor formed it, the size of its watershed, its diverse fisheries, its tributaries, wetlands, and islands -- could justify its addition to the National Park System, but when you add the American and cultural history to that, it seems almost to have been an oversight that there is no unit of the National Park System that celebrates this unique and complex ecosystem.